Added clients page filter by subnet range

custom/js/helper.js

@@ -18,6 +18,11 @@ function renderClientList(data) {
             allowedIpsHtml += `<small class="badge badge-secondary">${obj}</small>&nbsp;`;
         })
 
+        let subnetRangesString = "";
+        if (obj.Client.subnet_ranges && obj.Client.subnet_ranges.length > 0) {
+            subnetRangesString = obj.Client.subnet_ranges.join(',')
+        }
+
         // render client html content
         let html = `<div class="col-sm-6 col-md-6 col-lg-4" id="client_${obj.Client.id}">
                         <div class="info-box">
@@ -59,6 +64,7 @@ function renderClientList(data) {
                                 <hr>
                                 <span class="info-box-text"><i class="fas fa-user"></i> ${obj.Client.name}</span>
                                 <span class="info-box-text" style="display: none"><i class="fas fa-key"></i> ${obj.Client.public_key}</span>
+                                <span class="info-box-text" style="display: none"><i class="fas fa-subnetrange"></i>${subnetRangesString}</span>
                                 <span class="info-box-text"><i class="fas fa-envelope"></i> ${obj.Client.email}</span>
                                 <span class="info-box-text"><i class="fas fa-clock"></i>
                                     ${prettyDateTime(obj.Client.created_at)}</span>

handler/routes.go

@@ -366,6 +366,10 @@ func GetClients(db store.IStore) echo.HandlerFunc {
 			})
 		}
 
+		for i, clientData := range clientDataList {
+			clientDataList[i] = util.FillClientSubnetRange(clientData)
+		}
+
 		return c.JSON(http.StatusOK, clientDataList)
 	}
 }
@@ -391,7 +395,7 @@ func GetClient(db store.IStore) echo.HandlerFunc {
 			return c.JSON(http.StatusNotFound, jsonHTTPResponse{false, "Client not found"})
 		}
 
-		return c.JSON(http.StatusOK, clientData)
+		return c.JSON(http.StatusOK, util.FillClientSubnetRange(clientData))
 	}
 }
 

model/client.go

@@ -12,6 +12,7 @@ type Client struct {
 	PresharedKey    string    `json:"preshared_key"`
 	Name            string    `json:"name"`
 	Email           string    `json:"email"`
+	SubnetRanges    []string  `json:"subnet_ranges,omitempty"`
 	AllocatedIPs    []string  `json:"allocated_ips"`
 	AllowedIPs      []string  `json:"allowed_ips"`
 	ExtraAllowedIPs []string  `json:"extra_allowed_ips"`

templates/base.html

@@ -58,11 +58,13 @@
                 </div>
                 <div class="form-group form-group-sm">
                     <select name="status-selector" id="status-selector" class="custom-select form-control-navbar" style="margin-left: 0.5em; height: 90%; font-size: 14px;">
+                        <!-- SEE updateSearchList() in clients.html BEFORE EDITING -->
                         <option value="All">All</option>
                         <option value="Enabled">Enabled</option>
                         <option value="Disabled">Disabled</option>
                         <option value="Connected">Connected</option>
                         <option value="Disconnected">Disconnected</option>
+                        <!-- SEE updateSearchList() in clients.html BEFORE EDITING -->
                     </select>
                 </div>
             </form>
@@ -210,7 +212,7 @@
                                 <input type="text" class="form-control" id="client_email" name="client_email">
                             </div>
                             <div class="form-group">
-                                <label for="subnet_ranges" class="control-label">Subnet ranges</label>
+                                <label for="subnet_ranges" class="control-label">Subnet range</label>
                                 <select id="subnet_ranges" class="select2"
                                     data-placeholder="Select a subnet range" style="width: 100%;">
                                 </select>
@@ -374,7 +376,6 @@
 
         $(document).ready(function () {
 
-
             addGlobalStyle(`
                 .toast-top-right-fix {
                     top: 67px;
@@ -387,6 +388,8 @@
             toastr.options.positionClass = 'toast-top-right-fix';
 
             updateApplyConfigVisibility()
+            // from clients.html
+            updateSearchList()
 
         });
 

templates/clients.html

@@ -279,6 +279,36 @@ Wireguard Clients
                 });
             });
         }
+
+        function updateSearchList() {
+            $.getJSON("{{.basePath}}/api/subnet-ranges", null, function(data) {
+                $("#status-selector option").remove();
+                $("#status-selector").append(
+                    $("<option></option>")
+                        .text("All")
+                        .val("All"),
+                    $("<option></option>")
+                        .text("Enabled")
+                        .val("Enabled"),
+                    $("<option></option>")
+                        .text("Disabled")
+                        .val("Disabled"),
+                    $("<option></option>")
+                        .text("Connected")
+                        .val("Connected"),
+                    $("<option></option>")
+                        .text("Disconnected")
+                        .val("Disconnected")
+                );
+                $.each(data, function(index, item) {
+                    $("#status-selector").append(
+                        $("<option></option>")
+                            .text(item)
+                            .val(item)
+                    );
+                });
+            });
+}
     </script>
     <script>
         // load client list
@@ -368,7 +398,18 @@ Wireguard Clients
                     });
                     break;
                 default:
-                    $('.col-lg-4').show();
+                    $('.col-lg-4').hide();
+                    const selectedSR = $("#status-selector").val()
+                    $(".fa-subnetrange").each(function () {
+                        const srs = $(this).parent().text().trim().split(',')
+                        for (const sr of srs) {
+                            if (sr === selectedSR) {
+                                $(this).closest('.col-lg-4').show();
+                                break
+                            }                            
+                        }
+                    })
+                    // $('.col-lg-4').show();
                     break;
             }
         });

util/cache.go

@@ -0,0 +1,3 @@
+package util
+
+var IPToSubnetRange = map[string]uint16{}

util/util.go

@@ -410,6 +410,44 @@ func ValidateIPAllocation(serverAddresses []string, ipAllocatedList []string, ip
 	return true, nil
 }
 
+// findSubnetRangeForIP to find first SR for IP, and cache the match
+func findSubnetRangeForIP(cidr string) (uint16, error) {
+	ip, _, err := net.ParseCIDR(cidr)
+	if err != nil {
+		return 0, err
+	}
+
+	if srName, ok := IPToSubnetRange[ip.String()]; ok {
+		return srName, nil
+	}
+
+	for srIndex, sr := range SubnetRangesOrder {
+		for _, srCIDR := range SubnetRanges[sr] {
+			if srCIDR.Contains(ip) {
+				IPToSubnetRange[ip.String()] = uint16(srIndex)
+				return uint16(srIndex), nil
+			}
+		}
+	}
+	return 0, fmt.Errorf("Subnet range not foud for this IP")
+}
+
+// FillClientSubnetRange to fill subnet ranges client belongs to, does nothing if SRs are not found
+func FillClientSubnetRange(client model.ClientData) model.ClientData {
+	cl := *client.Client
+	for _, ip := range cl.AllocatedIPs {
+		sr, err := findSubnetRangeForIP(ip)
+		if err != nil {
+			continue
+		}
+		cl.SubnetRanges = append(cl.SubnetRanges, SubnetRangesOrder[sr])
+	}
+	return model.ClientData{
+		Client: &cl,
+		QRCode: client.QRCode,
+	}
+}
+
 // ValidateAndFixSubnetRanges to check if subnet ranges are valid for the server configuration
 // Removes all non-valid CIDRs
 func ValidateAndFixSubnetRanges(db store.IStore) error {